A sample of size n is selected at random from an infinite population. As n increases, which of the following statements is true?
A. The population standard deviation decreases.
B. The standard error of the sample mean decreases.
C. The population standard deviation increases.
D. The standard error of the sample mean increases.
Analysis:
A. Incorrect. The standard error of the sample mean decreases is true.
B. Correct. The standard error of the sample mean decreases is true.
C. Incorrect. The standard error of the sample mean decreases is true.
D. Incorrect. The standard error of the sample mean decreases is true.
ANSWER : B
You might also like to view...
For food purchases, the majority of the decisions about brands are made in the store at the time of purchase
Indicate whether the statement is true or false
Accumulated depreciation is increased when depreciation is recognized
a. True b. False Indicate whether the statement is true or false
Sigua Sugar, Inc. in Florida has six processing departments for refining sugar—Affination, Carbonation, Decolorization, Boiling, Recovery, and Packaging. Conversion costs are added evenly throughout each process. Data from the month of August for the Decolorization Department are as follows:
The ending Work-in-Process Inventory is 100% and 70% complete with respect to direct materials and conversion costs, respectively. Compute the equivalent units of production (EUP) for direct materials and for conversion costs for the month of August. The weighted-average method is used.
A) 10,700 EUP for direct materials and 3500 EUP for conversion costs
B) 12,200 EUP for direct materials and 10,700 EUP for conversion costs
C) 3500 EUP for direct materials and 10,700 EUP for conversion costs
D) 12,200 EUP for direct materials and 3500 EUP for conversion costs
Incremental changes require ______________, while larger more influential changes require _____________.
a. Less dedication, sustained passion b. More employee buy-in, leadership commitment c. Fewer resources, formal approval d. Numerous task forces, town hall meetings